package com.guoxin.concurrentprogramming.chapter3.threadpool;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * @author guoxin
 * @date 2019/7/16
 */
public class ExtThreadPool {
    private static class MyTask extends Thread {

        public MyTask(String name) {
            super(name);
        }

        @Override
        public void run() {
            System.out.println("正在执行:Thread ID:" + Thread.currentThread().getId() + ",Task Name=" + Thread.currentThread().getName());
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) throws InterruptedException {
        ExecutorService service = new ThreadPoolExecutor(5, 5, 0L, TimeUnit.MICROSECONDS, new LinkedBlockingQueue<>()) {
            @Override
            protected void beforeExecute(Thread t, Runnable r) {
                System.out.println("准备执行：" + r);
            }

            @Override
            protected void afterExecute(Runnable r, Throwable t) {
                System.out.println("执行完成：" + r);
            }

            @Override
            protected void terminated() {
                System.out.println("线程池退出");
            }
        };

        for (int i = 0; i < 5; i++) {
            MyTask myTask = new MyTask("TASK-GEYM-" + i);
            service.execute(myTask);
            Thread.sleep(10);
        }

        service.shutdown();
    }
}
